The six science-fiction books written by
W. E. Johns and published by Piccolo are

KINGS OF
SPACE – FRONT

Originally
published in 1954 – This paperback was published in 1980.174 pages.

The cover
illustration is by Bob Fowke.

KINGS OF
SPACE – REAR

This
paperback book contained no original illustrations.If you click on the rear cover you can see
the original illustrations from the first edition hardback of the book.

RETURN TO
MARS – FRONT

Originally
published in 1955 – This paperback was published in 1980.142 pages – with a chart setting out facts
about the Solar System on page 143.This was originally in the first edition of the book on page 9 and it
repeats the mistake about Mercury stating the length of the year is 88 days
and the length of the day is 88 days – the day should be 58 days.

The cover
illustration is by Bob Fowke.

RETURN TO
MARS – REAR

This
paperback book contained no original illustrations.If you click on the rear cover you can see
the original illustrations from the first edition hardback of the book.

NOW TO THE
STARS – FRONT

Originally
published in 1956 – This paperback was published in 1980.157 pages.

The cover
illustration is by Bob Fowke.

NOW TO THE
STARS – REAR

This
paperback book contained no original illustrations.If you click on the rear cover you can see
the original illustrations from the first edition hardback of the book.

TO OUTER
SPACE – FRONT

Originally
published in 1957 – This paperback was published in 1980.156 pages.

The cover illustration
is not credited on this book but I assume it is also by Bob Fowke.

TO OUTER
SPACE – BACK

This
paperback book contained no original illustrations.If you click on the rear cover you can see
the original illustrations from the first edition hardback of the book.

THE EDGE OF
BEYOND – FRONT

Originally
published in 1958 – This paperback was published in 1981.158 pages.

The cover
illustration is by Terry Oakes.

THE EDGE OF
BEYOND – REAR

This
paperback book contained no original illustrations.If you click on the rear cover you can see
the original illustrations from the first edition hardback of the book.

THE DEATH
RAYS OF ARDILLA – FRONT

Originally
published in 1959 – This paperback was published in 1981.160 pages.

The cover
illustration is by Terry Oakes.

THE DEATH
RAYS OF ARDILLA – REAR

This
paperback book contained no original illustrations.If you click on the rear cover you can see
the original illustrations from the first edition hardback of the book.